Smart rfid label with a printed multisensor platform for environmental monitoring

A Vásquez Quintero, Francisco Molina-Lopez, ECP Smits, Ehsan Danesh, Jeroen van den Brand, Krishna Persaud, Alexandru Oprea, Nicolae Barsan, Udo Weimar, NF de Rooij

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    This work reports on the design, fabrication and characterization of an inkjet-printed multisensing platform on flexible polymeric substrates integrated into a printed semi-passive high frequency radio frequency identification (HF RFID) smart label. The printed platform was integrated after fabrication to the main RFID carrier, which contained an NFC RFID chip, a microprocessor, a readout frontend and a screen-printed circuitry and antenna. The multisensing platform has channels for capacitive vapor detection (i.e. humidity), two channels for resistive-based vapor detection (i.e. ammonia) with heating capability, and one resistive channel for temperature detection (RTD). A modular approach was employed where the sensing platform was integrated to the base RFID label carrier using foil-to-foil integration techniques compatible with large area fabrication. Besides wireless communication, the semi-passive label possesses data logging and the possibility of measuring all the sensors simultaneously through a direct readout circuitry. In addition to individual sensor characterization, the full functionality of the smart label was successfully demonstrated by measuring different temperature, humidity and ammonia levels.
    Original languageEnglish
    Pages (from-to)025003
    Number of pages1
    JournalFlexible and Printed Electronics
    Issue number2
    Early online date17 May 2016
    Publication statusPublished - 1 Jun 2016


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